In a video that has been viewed nearly 2 million times on YouTube, the little girl has a meltdown when she learns that her baby brother won't always be that little. It's priceless! If you're on our main website, watch below. Mobile users, tap here.

The Obama administration will unveil a major climate change plan Monday aimed at a large reduction in greenhouse gas emissions from the nation's coal-burning power plants, a senior administration official told CNN.